NPT螺纹简图
NPT螺纹简要尺寸
管子公称尺寸
in
1/16
1/8
1/4
3/8
1/2
3/4
1
1 ¼
1 ½
2
2 ½
3
3 ½
4
管子外径
in
0.3125
0.405
0.540
0.675
0.840
1.050
1.315
1.660
1.900
2.375
2.875
3.500
4.000
4.500
mm
7.9
10.3
13.7
17.1
21.3
26.7
33.4
42.2
48.3
60.3
73.0
88.9
101.6
114.3
每英寸牙数
27
18
14
11 ½
8
螺距：mm
0.9408
1.411
1.814
2.209
3.175
旋合长度：mm
4.064
4.102
5.786
6.096
8.128
8.611
10.160
10.668
11.074
17.323
19.456
20.853
21.438
旋合中径：mm
7.142
9.489
12.487
15.926
19.772
25.117
31.462
40.218
46.287
58.325
70.159
86.068
98.776
111.433
文章关键词： NPT螺纹 kanlexie xie
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